.~.~ With special blade or retracting surface structure {6}
211
.~.~.~ Skeleton blade
DEFINITION
Classification: 600/211
Skeleton blade:
(under subclass 210) Subject matter wherein the retracting surface has a particular, substantially closed peripheral portion which defines a void in which rib-like structures transverse said void from one portion of the peripheral to another portion of said periphery.
(1) Note. The patents in this subclass are retractors which are termed "skeleton'' in the art.
SEE OR SEARCH CLASS
604, Surgery, subclass 514 for methods of introducing a therapeutic material into or removing it from a body orifice.
